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Tidal Energy: Extracting Power from the Tides

Description: Tidal Energy: Extracting Power from the Tides
Number of Questions: 15
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Tags: renewable energy tidal energy ocean energy hydropower
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What is the primary source of energy harnessed by tidal energy systems?

  1. Solar radiation

  2. Wind

  3. Ocean currents

  4. Tidal movements


Correct Option: D
Explanation:

Tidal energy systems utilize the kinetic energy of moving water caused by the rise and fall of tides to generate electricity.

Which of the following is NOT a common type of tidal energy technology?

  1. Barrage

  2. Tidal stream generator

  3. Tidal turbine

  4. Wave energy converter


Correct Option: D
Explanation:

Wave energy converters are not specifically designed to harness tidal energy, but rather the energy from ocean waves.

What is the term used to describe the difference in water level between high tide and low tide?

  1. Tidal range

  2. Tidal current

  3. Tidal bore

  4. Tidal surge


Correct Option: A
Explanation:

Tidal range refers to the vertical difference between the highest and lowest water levels during a tidal cycle.

Which country is considered a global leader in tidal energy development?

  1. United States

  2. China

  3. United Kingdom

  4. France


Correct Option: C
Explanation:

The United Kingdom has been at the forefront of tidal energy development, with several operational tidal energy projects and ongoing research initiatives.

What is the main advantage of tidal energy over other renewable energy sources?

  1. Predictability

  2. Cost-effectiveness

  3. Low environmental impact

  4. High energy density


Correct Option: A
Explanation:

Tidal energy is predictable as the tides follow a regular pattern, allowing for accurate forecasting of energy generation.

Which of the following is a potential environmental concern associated with tidal energy projects?

  1. Habitat disruption

  2. Noise pollution

  3. Visual impact

  4. All of the above


Correct Option: D
Explanation:

Tidal energy projects can potentially impact marine life, generate noise, and alter the visual landscape, requiring careful environmental assessments.

What is the term used to describe the flow of water caused by the rise and fall of tides?

  1. Tidal current

  2. Tidal surge

  3. Tidal bore

  4. Tidal wave


Correct Option: A
Explanation:

Tidal current refers to the horizontal movement of water caused by the gravitational pull of the moon and sun.

Which type of tidal energy technology involves constructing a barrier across an estuary or bay?

  1. Tidal barrage

  2. Tidal stream generator

  3. Tidal turbine

  4. Tidal lagoon


Correct Option: A
Explanation:

Tidal barrages are large structures built across tidal inlets to capture the energy of the incoming and outgoing tides.

What is the term used to describe a rapidly moving tidal wave caused by the interaction of tides with a coastline?

  1. Tidal bore

  2. Tidal surge

  3. Tidal wave

  4. Tsunami


Correct Option: A
Explanation:

Tidal bores are natural phenomena where a tidal wave travels up a river or estuary against the river's current.

Which of the following is a key factor influencing the amount of tidal energy that can be generated at a particular location?

  1. Tidal range

  2. Water depth

  3. Current speed

  4. All of the above


Correct Option: D
Explanation:

The amount of tidal energy that can be harnessed depends on the tidal range, water depth, and current speed at the site.

What is the term used to describe the conversion of tidal energy into electricity?

  1. Tidal generation

  2. Tidal power generation

  3. Tidal energy conversion

  4. Tidal electricity generation


Correct Option: C
Explanation:

Tidal energy conversion refers to the process of transforming the kinetic energy of tidal movements into electrical energy.

Which of the following is NOT a potential benefit of tidal energy development?

  1. Reduced greenhouse gas emissions

  2. Job creation

  3. Energy independence

  4. Increased water pollution


Correct Option: D
Explanation:

Tidal energy development has the potential to reduce greenhouse gas emissions, create jobs, and enhance energy independence, but it does not directly contribute to increased water pollution.

What is the term used to describe the maximum height reached by a tide?

  1. High tide

  2. Low tide

  3. Mean sea level

  4. Tidal range


Correct Option: A
Explanation:

High tide refers to the highest water level reached during a tidal cycle.

Which type of tidal energy technology involves placing turbines in areas with strong tidal currents?

  1. Tidal barrage

  2. Tidal stream generator

  3. Tidal turbine

  4. Tidal lagoon


Correct Option: B
Explanation:

Tidal stream generators are devices that capture the kinetic energy of tidal currents to generate electricity.

What is the term used to describe the lowest water level reached during a tidal cycle?

  1. High tide

  2. Low tide

  3. Mean sea level

  4. Tidal range


Correct Option: B
Explanation:

Low tide refers to the lowest water level reached during a tidal cycle.

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